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155 lines
5.0 KiB
155 lines
5.0 KiB
/*
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Copyright (c) 2012 Martin Sustrik All rights reserved.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom
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the Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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IN THE SOFTWARE.
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*/
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#ifndef NN_ERR_INCLUDED
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#define NN_ERR_INCLUDED
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#include <errno.h>
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#include <stdio.h>
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#include <string.h>
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#define PNACL_msg(...)
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/* Include nn.h header to define nanomsg-specific error codes. */
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#include "../nn.h"
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#include "fast.h"
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#if defined _MSC_VER
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#define NN_NORETURN __declspec(noreturn)
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#elif defined __GNUC__
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#define NN_NORETURN __attribute__ ((noreturn))
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#else
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#define NN_NORETURN
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#endif
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// Same as system assert(). However, under Win32 assert has some deficiencies. Thus this macro
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#define nn_assert(x) \
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do {\
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if (nn_slow (!(x))) {\
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PNACL_msg("Assertion failed: %s (%s:%d)\n", #x, \
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__FILE__, __LINE__);\
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fflush (stderr);\
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nn_err_abort ();\
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}\
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} while (0)
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#define nn_assert_state(obj, state_name) \
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do {\
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if (nn_slow ((obj)->state != state_name)) {\
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PNACL_msg( \
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"Assertion failed: %d == %s (%s:%d)\n", \
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(obj)->state, #state_name, \
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__FILE__, __LINE__);\
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nn_err_abort ();\
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}\
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} while (0)
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/* Checks whether memory allocation was successful. */
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#define alloc_assert(x) \
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do {\
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if (nn_slow (!x)) {\
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PNACL_msg("Out of memory (%s:%d)\n",\
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__FILE__, __LINE__);\
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nn_err_abort ();\
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}\
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} while (0)
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/* Check the condition. If false prints out the errno. */
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#define errno_assert(x) \
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do {\
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if (nn_slow (!(x))) {\
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PNACL_msg("%s [%d] (%s:%d)\n", nn_err_strerror (errno),\
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(int) errno, __FILE__, __LINE__);\
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nn_err_abort ();\
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}\
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} while (0)
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/* Checks whether supplied errno number is an error. */
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#define errnum_assert(cond, err) \
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do {\
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if (nn_slow (!(cond))) {\
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PNACL_msg("%s [%d] (%s:%d)\n", nn_err_strerror (err),(int) (err), __FILE__, __LINE__);\
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nn_err_abort ();\
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}\
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} while (0)
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/* Checks the condition. If false prints out the GetLastError info. */
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#define win_assert(x) \
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do {\
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if (nn_slow (!(x))) {\
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char errstr [256];\
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nn_win_error ((int) GetLastError (), errstr, 256);\
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fprintf (stderr, "%s [%d] (%s:%d)\n",\
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errstr, (int) GetLastError (), __FILE__, __LINE__);\
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nn_err_abort ();\
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}\
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} while (0)
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/* Checks the condition. If false prints out the WSAGetLastError info. */
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#define wsa_assert(x) \
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do {\
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if (nn_slow (!(x))) {\
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char errstr [256];\
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nn_win_error (WSAGetLastError (), errstr, 256);\
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fprintf (stderr, "%s [%d] (%s:%d)\n",\
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errstr, (int) WSAGetLastError (), __FILE__, __LINE__);\
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nn_err_abort ();\
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}\
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} while (0)
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/* Assertion-like macros for easier fsm debugging. */
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#define nn_fsm_error(message, state, src, type) \
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do {\
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PNACL_msg("%s: state=%d source=%d action=%d (%s:%d)\n", \
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message, state, src, type, __FILE__, __LINE__);\
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nn_err_abort ();\
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} while (0)
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#define nn_fsm_bad_action(state, src, type) nn_fsm_error(\
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"Unexpected action", state, src, type)
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#define nn_fsm_bad_state(state, src, type) nn_fsm_error(\
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"Unexpected state", state, src, type)
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#define nn_fsm_bad_source(state, src, type) nn_fsm_error(\
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"Unexpected source", state, src, type)
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/* Compile-time assert. */
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#define CT_ASSERT_HELPER2(prefix, line) prefix##line
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#define CT_ASSERT_HELPER1(prefix, line) CT_ASSERT_HELPER2(prefix, line)
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#if defined __COUNTER__
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#define CT_ASSERT(x) \
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typedef int CT_ASSERT_HELPER1(ct_assert_,__COUNTER__) [(x) ? 1 : -1]
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#else
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#define CT_ASSERT(x) \
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typedef int CT_ASSERT_HELPER1(ct_assert_,__LINE__) [(x) ? 1 : -1]
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#endif
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NN_NORETURN void nn_err_abort (void);
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int nn_err_errno (void);
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const char *nn_err_strerror (int errnum);
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#ifdef NN_HAVE_WINDOWS
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int nn_err_wsa_to_posix (int wsaerr);
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void nn_win_error (int err, char *buf, size_t bufsize);
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#endif
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#endif
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